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Cell Biology is the study of the structural, functional, and biochemical properties of cells, which are the basic units of life. It examines the processes and mechanisms that occur within cells, including their growth, division, and death. This field is closely related to molecular biology, as it involves the use of molecular techniques to understand cellular processes. Cell Biology explores the interactions between cells and their environment, as well as the ways in which cells communicate with one another. It also investigates the structure and function of organelles, the specialized structures within cells that perform specific functions. Cell Biologists may study various aspects of cell biology such as cell signaling, membrane trafficking, and cytoskeleton dynamics to understand how cells maintain their integrity and adapt to changing conditions. In the hierarchy of Science/Biotechnology/Biology/Molecular Biology, Cell Biology represents a more specific area of focus within Molecular Biology. It builds upon the foundational knowledge of molecular biology to provide a deeper understanding of how cells function and interact at a microscopic level. By studying cell biology, scientists can gain insights into the fundamental processes that underlie all living organisms, paving the way for advancements in biotechnology and medicine.